Document Outline

• HMT120 USER'S GUIDE
  • TABLE OF CONTENTS
  • GENERAL INFORMATION
    • About This Manual
      • Contents of This Manual
      • Version Information
      • Related Manuals
      • Documentation Conventions
    • Safety
      • ESD Protection
    • Recycling
    • Regulatory Compliances
    • Patent Notice
    • Trademarks
    • License Agreement
    • Warranty
  • PRODUCT OVERVIEW
    • Introduction to the HMT120 Humidity and Temperature Transmitter
      • Accessories
      • Fixed and Remote Probe Models
      • Optional Display
      • Interchangeable Probe
      • Constant Output Probe
      • Transmitter Components
  • INSTALLATION
    • Opening the Transmitter Cover
    • Mounting
      • Wall Mounting
      • Installation with Rain Shield
      • Installation with Radiation Shield
      • Duct Installation Kit
        • Probe Assembly with Duct Installation Kit
        • Drilling Instructions for Duct Installation Kit
      • Probe Mounting Flange
      • Probe Mounting Clamp
    • Connections
  • SERVICE PORT
    • Using the Service Port
      • Installing the Driver for the USB Cable
      • Terminal Application Settings
    • List of Serial Commands
    • Device Information and Status
      • Show Device Information
      • Set/Show Available Quantities
      • Set/Show Calibration Date
      • Set/Show Calibration Information
      • Show Analog Output Status
      • Show System Information
      • Show Firmware Version
    • Serial Line Output Commands
      • Start Continuous Outputting
      • Stop Continuous Outputting
      • Set/show Output Interval
      • Output a Reading Once
    • Calibration Commands
      • Calibrate Humidity Measurement
      • Restore Probe RH Factory Calibration
      • Calibrate Temperature Measurement
      • Restore Probe T Factory Calibration
      • Calibrate Analog Output
    • Configuring Serial Line Operation
      • Set/Show Serial Line Settings
      • Set/Show Terminal Echo
      • Set/Show Serial Interface Mode
    • Configuring Measurement Parameters
      • Set/Show Environmental Parameters
    • Configuring Analog Output
      • Set/show Analog Output Error Levels
      • Set/show Analog Output Quantity and Scaling
      • Test Analog Outputs
    • Other Commands
      • Set/show Displayed Quantities
      • Set/show Output Formatting
      • Display Command List
      • Display Active Errors
      • Save Changed Settings
      • Restore Saved Settings
      • Reset Transmitter
      • Restore Factory Settings
      • Set/show Output Unit
  • MAINTENANCE
    • Replacing the HUMICAP® Sensor
      • Fixed and Remote Probe Models
    • Removing and Fastening the Probe
      • Fixed Probe Model
      • Remote Probe Model
    • Calibration and Adjustment
      • HMT120 Push-Button Calibration
      • Humidity and Temperature Adjustment
      • Adjustment with HM70
        • Field Checking and Adjustment Using a Calibrated Reference Probe
        • One-Point Adjustment Using a Calibrator
        • Two-Point Adjustment Using a Calibrator
        • LiCl-NaCl Adjustment
        • Temperature Field Check and Adjustment by Using a Calibrated Reference Probe
      • Adjustment with HMI41
        • Connections and Selecting the Calibrator Function
        • Offset and Gain Adjustments
          • HMI41 as a Reference Meter
          • HMI41 as a Terminal
        • Troubleshooting
    • Analog Output Tests
  • TROUBLESHOOTING
    • Error Codes
    • Solving Typical Problems
    • Analog Output Error Notification
    • Technical Support
  • TECHNICAL DATA
    • Options and Accessories
    • Transmitter Dimensions
  • CALCULATION FORMULAS
    • Dewpoint Temperature
    • Dew/frostpoint Temperature
    • Mixing Ratio
    • Absolute Humidity
    • Enthalpy
    • Saturation Vapor Pressure
    • Water Vapor Pressure
    • Accuracies of Calculated Variables
      • Accuracy of Dewpoint Temperature °C
      • Accuracy of Mixing Ratio g/kg (Ambient Pressure 1013 mbar)
      • Accuracy of Wet Bulb Temperature °C
      • Accuracy of Absolute Humidity g/m³
  • INDEX